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Finding the Fourth Proportional to 220,318.44, 304,041.37 and 119,716.44

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Solution

The fourth proportional to 220,318.44, 304,041.37 and 119,716.44 is: 165,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,318.44 : 304,041.37 = 119,716.44 : x
  2. Step 2: Convert to fraction form
    220,318.44/304,041.37 = 119,716.44/x
  3. Step 3: Cross multiply
    220,318.44x = 304,041.37 × 119,716.44
  4. Step 4: Simplify right side
    220,318.44x = 36,398,750,429.12
  5. Step 5: Solve for x
    x = 36,398,750,429.12/220,318.44
  6. Step 6: Final answer
    x = 165,209.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.